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            <h2 class="title" style="clear: both"><a id="OrchMacros"></a>Macros</h2>
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      <p>
    Orchestra macros work like C preprocessor macros, and replace the content of the macro in the orchestra before it is compiled. The opcodes one can use to create, call, or undefine orchestra macros are:
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              <a class="link" href="define.html" title="#define">
                <em class="citetitle">#define</em>
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                <em class="citetitle">#ifdef</em>
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                <em class="citetitle">#end</em>
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      <p>
    Orchestra macros can also be defined using the command line flag <a class="link" href="CommandFlagsCategory.html#FlagsCatMinusOmacro"><em class="citetitle">--omacro:</em></a>.
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    More information and examples on the usage of orchestra macros can be found in the entry for <a class="link" href="define.html" title="#define"><em class="citetitle">#define</em></a>.
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    These opcodes refer to orchestra macros; for score macros, refer to <a class="link" href="ScoreMacros.html" title="Score Macros"><em class="citetitle">Score Macros</em></a>. 
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